1、CEMA STANDARDNO. 300SCREW CONVEYORDIMENSIONAL STANDARDSCONVEYOR EQUIPMENT MANUFACTURERS ASSOCIATIONRISBN 978-1-891171-39-0ANSI / CEMA 300-2009A Revision of ANSI / CEMA 300-2003(Approved April 1, 2009)MEMBERS OF THE CEMASCREW CONVEYOR PRODUCT SECTIONFor a current list of Screw ConveyorSection compani
2、es, visit CEMAsweb site: www.cemanet.org.For Information on Company Membershipvisit the CEMA Web Site athttp:/www.cemanet.orgConveyorChainCEMA ORGANIZATIONAL CHARTControls PalletizersMeet in March and/or SeptemberConferenceStrategic PlanningInsuranceMeetingsMarketing / MembershipStatisticsFinance an
3、d BudgetPast PresidentsBulk HandlingSectionCommitteesUnit HandlingSectionEngineering ConferenceConveyor ChainPerformance TerminologyUnit Handling StandardsIdlersPulleysBeltSystemsScrewConveyorsBelt ManualAccessoriesSafety ControlsTerms andDefinitionsInternationalStandardsMeets Each JuneScrewConveyor
4、sBulk HandlingComponentsand SystemsGeneral Bulk Handling SectionBulkAccessoriesUnit Handling Conveying SectionCOMMITTEES BOARD OF DIRECTORS OFFICERSDISCLAIMER The information provided in this document is advisory only. These recommendations are provided by CEMA in the interest of promoting safety in
5、 the work place. These recommendations are general in nature and are not intended as a substitute for a thorough safety program. Users should seek the advise, supervision or consultation of qualified engineers or other safety professionals. Any use of this document, the information contained herein,
6、 or any other CEMA publication may only be made with the agreement and understanding that the user and the users company assume full responsibility for the design, safety, specifications, suitability and adequacy of the system component, or mechanical or electrical device designed or manufactured us
7、ing this information. The user and the users company understand and agree that CEMA, its member companies, its officers, agents and employees shall not be liable in any manner under any theory of liability for the user or users reliance on these recommendations. The users and the users company agree
8、 to release, hold harmless and indemnify CEMA, its member companies, successors, assigns, officers, agents and employees from any and all claims of liability, costs, fees (including attorneys fees), or damages arising in any way out of the use of this information. CEMA and its member companies, succ
9、essors, assigns, officers, agents and employees make no representations or warranties whatsoever, either express or implied, about the information contained in this document, including, but not limited to, representations or warranties that the information and recommendations contained herein confor
10、m to any federal, state or local laws, regulations, guidelines or ordinances. FOREWORDThis publication, CEMA Standard No. 300 “Screw Conveyor Dimensional Standards”, provides recommended di-mensional standards for major screw conveyor components. All Dimesions and Tolerances are based on CarbonSteel
11、 Fabricaton.These recommended standards are issued in conjunction with CEMA Standard No. 350 “Screw Conveyors”.“Screw Conveyors” is a comprehensive manual of engineering and application practice for screw conveyors.Both publications are intended to be American National Standards.SUMMARY OF CHANGESTh
12、is 2009 Edition revises the 2330 Edition by adding a 34th Standard - For Shaftless Conveyors.SAFETY NOTICEThe Conveyor Equipment Manufacturers Association has developed Industry Standard Safety Labels for use on theconveying equipment of its member companies.The purpose of the labels is to identify
13、common and uncommon hazards, conditions, and unsafe practices whichcan injure, or cause the death of, the unwary or inattentive person who is working at or around conveying equipment.The labels are available for sale to member companies and non-member companies.A full description of the labels, thei
14、r purpose, and guidelines on where to place the labels on typical equipment, hasbeen published in CEMAs Safety Label Brochure, Brochure No. 201. The Brochure is available for purchase bymembers and non-members of the Association. Safety Labels and Safety Label Placement Guidelines, originallypublish
15、ed in the Brochure, are also available free on the CEMA Web Site at http:/www.cemanet.org/CEMA_Safety_Pg.htmPLEASE NOTE: Should any of the safety labels supplied by the equipment manufacturer become unreadable forany reason, the equipment USER is then responsible for replacement and location of thes
16、e safety labels.Replacement labels and placement guidelines can be obtained by contacting your equipment supplier or CEMA.CONVEYOR EQUIPMENT MANUFACTURERS ASSOCIATION6724 Lone Oak BlvdNaples, Florida 34109Web Site: http:/www.cemanet.orgCEMA Standard No. 300 - Copyright 2009Printed in the U.S.A.ISBN
17、978-1-891171-39-0TABLE OF CONTENTSCEMA SCREW CONVEYOR STANDARDS INCLUDED IN THIS DOCUMENTStandard 300-001: Helicoid Conveyor ScrewsStandard 300-002: Sectional Flight Conveyor ScrewsStandard 300-003: Cut-and-Folded Flight Conveyor ScrewStandard 300-004: Cut Flight Conveyor ScrewsStandard 300-005: Con
18、veyor Screws with PaddlesStandard 300-006: Ribbon Flight Conveyor ScrewsStandard 300-007: Paddle Conveyor ScrewsStandard 300-008: PaddlesStandard 300-009: Angle U-TroughStandard 300-010: Flared TroughStandard 300-011: Conveyor Discharge Spouts, PlainStandard 300:012: Hand Slides for Conveyor Dischar
19、ge SpoutsStandard 300-013: U-Trough End PlatesStandard 300-014: Flared Trough End PlatesStandard 300-015: U-Trough Flange Bolt Hole PatternsStandard 300-016: Flared Trough Flange Bolt Hole PatternsStandard 300-017: Drive ShaftsStandard 300-018: End ShaftsStandard 300-019: Coupling ShaftsStandard 300
20、-020: Type 216 HangersStandard 300-021: Type 226 HangersStandard 300-022: Coupling Bolts with NutsStandard 300-023: U-Trough Flanged CoversStandard 300-024: U-Trough Semi-Flanged CoversStandard 300-025: U-Trough Flat CoversStandard 300-026: Double Flanged U-TroughsStandard 300-027: Type 270 Ball Bea
21、ring HangersStandard 300-028: Type 326 HangersStandard 300-029: Type 316 HangersStandard 300-030: Packing Seal HousingStandard 300-031: ShroudsStandard 300-032: Conveyor Inlet Spout, FlangedStandard 300-033: Conveyor Discharge SpoutsStandard 300-034: Shaftless Conveyor ScrewiiiPIPE WITH INTERMEDIATE
22、 WELDSFLIGHTING FITTED SNUG TO LENGTH 1/16“MANUFACTURERS STANDARDSEND LUGS ON ALL SIZES PERTOLERANCEDIAMETERPITCHTOLERANCEBHBOREAFCGBOLT HOLETHICKNESSAT EDGECENTERLINE FIRSTCOUPLING BOLT HOLEFLIGHTING APPROX.90 BOTH ENDSDHELICOID CONVEYOR SCREWS CEMA STANDARD No. 300-001FG HPlus MinusInner EdgeOuter
23、 EdgePlus Minus Min. Max.1 1/2 6H304 2 9 - 10“1/16 3/16 1/8 1/16 1/2 1/41.505 1.5167/8317/321 1/2 6H308 2 9 - 10“1/16 3/16 1/4 1/8 3/4 1/41.505 1.5167/8317/321 1/2 6H312 2 9 - 10“1/16 3/16 3/8 3/16 3/4 1/41.505 1.5167/8317/321 1/2 9H306 2 9 - 10“1/16 3/16 3/16 3/32 3/4 1/41.505 1.5167/8317/321 1/2 9
24、H312 2 9 - 10“1/16 3/16 3/8 3/16 3/4 1/41.505 1.5167/8317/322 9H406 2 1/2 9 - 10“1/16 3/16 3/16 3/32 3/4 1/42.005 2.0167/8321/322 9H412 2 1/2 9 - 10“1/16 1/4 3/8 3/16 3/4 1/42.005 2.0167/8321/322 9H414 2 1/2 9 - 10“1/16 1/4 7/16 7/32 3/4 1/42.005 2.0167/8321/322 12H408 2 1/2 11 - 10“1/8 5/16 1/4 1/8
25、11/42.005 2.0167/8321/322 12H412 2 1/2 11 - 10“1/8 5/16 3/8 3/1611/42.005 2.0167/8321/322 7/16 12H508 3 11 - 9“1/8 5/16 1/4 1/811/42.443 2.458 15/16 321/322 7/16 12H512 3 11 - 9“1/8 5/16 3/8 3/1611/42.443 2.458 15/16 321/323 12H614 3 1/2 11 - 9“1/8 3/8 7/16 7/3211/43.005 3.025 1 325/322 7/16 14H508
26、3 11 - 9“1/8 5/16 1/4 1/811/42.443 2.458 15/16 321/323 14H614 3 1/2 11 - 9“1/8 3/8 7/16 7/3211/43.005 3.025 1 325/323 16H610 3 1/2 11 - 9“1/8 3/8 5/16 5/32 1 1/2 1/43.005 3.025 1 325/323 16H416 3 1/2 11 - 9“1/8 3/8 7/16 7/32 1 1/2 1/43.005 3.025 1 325/32InchesDiameter ToleranceThicknessPitch Toleran
27、ceListed Screw Diameter and PitchSpacing 1st Bolt HoleCenters 2nd Bold HoleNominal Bolt Hole SizeCoupling DiameterBushing Bore Inside DiameterABC DInchesLength Feet and InchesPipe Size Sch. 40 InchesSize Designation61214169BCGBGFE HGF EEFGHJFJACFWITH FEETLESS FEETCEMA STANDARD No. 300-011CONVEYOR DI
28、SCHARGE SPOUTS, PLAINE16, 14 & 103/16 & 1/43/16 & 1/43/16 & 1/43/16 & 1/43/16 & 1/43/16 & 1/4THICKNESSCONV.6DIA.INCHES9TROUGH14,12 & 103/1616121412 & 1012 & 1012 & 101820101024107 1/814 5SPOUTA1410107B C13102 13/1611/16E F41/23-G H4-7 1/26J83/8JF P10 3/812QTY.125 1/24 3/44 3/83 1/25 1/421 1/41711 1/
29、810 1/88 7/812123/16123/1617 1/41319 1/41513 3/812 3/83/16123/16123/1624 1/41926 1/421443 3/47/83 1/25 1/87/87/8-3 1/24 7/84 7/161 1/81 1/84 3/84 3/415 3/8123/1630 1/425 5 5/81 1/8 5 5/814 1/213 1/2 3/813 1/212 1/210 1/211 1/23/83/817 1/216 1/214 1/215 1/21/21/2201220202017 1/2 20 1/2 20RINCHESBOLT DIAMETER - PQUANTITY - R
